#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
    
int main(int argc, char *argv[])
{
	int n = atol(argv[1]);
    int start = GetTickCount();
	int k = 0;
	for ( int i = 0; i < n; i++) {
		k ++;
    }
    int timeCost = GetTickCount() - start;
	printf("timeCost = %d ms\n", timeCost);
	return 0;
}




